Here is the news that talks about it:
https://hackernoon.com/crypto-transactions-for-all-sending-litecoin-via-telegram-and-sms-is-here-66108ce67c5b

But first things first: The technology behind it can be applied to any coin, not only LTC: Its a simple wallet with a interface that accepts commands via SMS or Telegram chat. Second, i am not sure but this is not exactly the right board to talk about litecoin